A revision of the Afrotropical species of the Philonthus arrowianus species group (Coleoptera: Staphylinidae: Philonthina)
The Philonthus arrowianus species group of the genus Philonthus Stephens, 1829 is defined and six species included in it. Two species are described as new: Philonthus currax sp. nov. from Gabon and Philonthus galago sp. nov. from the Democratic Republic of the Congo, Zambia, Malawi and the Republic of South Africa. Four species are redescribed: P. arrowianus Bernhauer, 1931 (Ethiopia), P. chappuisi Bernhauer, 1939 (Kenya), P. meges Tottenham, 1939 (Ethiopia) and P. trilobatus Tottenham, 1949 (Democratic Republic of the Congo). All species of the P. arrowianus species group are keyed and the aedeagi and relevant morphological characters of all species are figured. A lectotype of P. arrowianus is designated.